(√6-1/3√3-1/2√8)x(-2√6)
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(√6-1/3√3-1/2√8)x(-2√6)
(√6-1/3√3-1/2√8)x(-2√6)
(√6-1/3√3-1/2√8)x(-2√6)
直接相乘.
(√6-1/3√3-1/2√8)x(-2√6)
=-12+2√2+4√2
=6√2-12
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2/3x√9x-(x^2√1/x-6x√4/x)
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